US Bridges

I-40 Wbl over Rio Puerco

Good

McKinley County, New Mexico · 1.3 MI E JCT I-40 & NM118 · Structure no. 000000000008845

Built
1994
31 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
393 ft
5 main spans
Daily traffic
24,312
2023 count
Owner
State
State Highway Agency

About this bridge

I-40 Wbl over Rio Puerco is a prestressed concrete continuous stringer/multi-beam or girder carrying I-40 Wbl over Rio Puerco in McKinley County, New Mexico. It was built in 1994, so it is 31 years old, younger than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,312 vehicles a day, roughly 45% of them trucks, projected to reach 33,064 by 2043. The structure is 393 ft (119.7 m) long and 41 ft wide.

CarriesI-40 Wbl
CrossesRio Puerco
Location1.3 MI E JCT I-40 & NM118
RouteInterstate 40
Coordinates35.51319, -108.80947
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length393 ft (119.7 m)
Longest span78 ft (23.8 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,312 (2023)
Projected traffic33,064 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 Wbl over Rio Puerco built?

It was built in 1994, making it 31 years old in 2025.

What condition is I-40 Wbl over Rio Puerco in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does I-40 Wbl over Rio Puerco carry?

About 24,312 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-40 Wbl over Rio Puerco?

The structure is 393 ft (119.7 m) long with a longest span of 78 ft (23.8 m) and a deck 41 ft wide.

Who owns I-40 Wbl over Rio Puerco?

It is owned by the State Highway Agency.